[pgpool-general: 1268] Re: database detach and I don't understand why

Flemming Harms flemming.harms at gmail.com
Mon Dec 31 02:48:28 JST 2012

just for information that i'm able to reproduce the error with pgpool2
(3.2.1-1) with the same configuration.


2012/12/29 Flemming Harms <flemming.harms at gmail.com>:
> sorry one of the links didn't work for the pgpool
> pgppool-191.log > http://ubuntuone.com/1g8ExrevBeRUj92XS5WjyZ
> 2012/12/29 Flemming Harms <flemming.harms at gmail.com>:
>> Hello,
>> We have been using pgpool2 for sometime now and been happy with it,
>> but lately it suddenly start to detach the database on one of the
>> nodes on 2 node cluster. I have been investigated this for a while and
>> I can't understand why pgpool2 thinks is should detach.
>> We are using pgpool version 3.0.4-1 with postgresql version
>> 8.4.8-0squeeze2 our application server is JBossAS 5 including (jboss
>> messaging 1.4.8-SP2). The application server only communicate through
>> pgpool so we are sure that no other processes are working around
>> pgpool
>> We are pretty sure the databases are not different from the beginning
>> and it's new records that are created. We post 3 messages on 2
>> different jms queues and 3 clients that consumes the messages. When
>> jboss messaging component want to remove the messages because it
>> delivered to all the clients, pgpool detach the database because it
>> get a different response from node 1 when it want to delete the
>> message.... which I don't understand how that's possible
>> I really will appreciate some help to understand what is going on and
>> why it detach the database
>> Thanks!
>> br,
>> Flemming
>> the log_line_prefix = '%t %p %v %x' for the postgresql
>> You can find the log files by following the links below for pgpool2
>> debug log and postgresql log from both servers
>> jboss-detach-190.sql(postgresql log) >
>> http://ubuntuone.com/6Ku56EoHI7FAXAyC1p1prQ
>> jboss-detach-191.sql(postgresql log) >
>> http://ubuntuone.com/0ICbQCiowqDgKe7LglMxSV
>> pgpool.conf > http://ubuntuone.com/3BhoRnr3ACifYhi2QqSbat
>> pgppool-191-log  > http://ubuntuone.com/1g8ExrevBeRUj92XS5WjyZ7

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